Commercial · Salt Lake City, UT
Cracks that keep returning at an old stucco expansion joint usually mean the joint has failed, been buried, or was never built to move. Superior Stucco Salt Lake City has served since 2019, repairing and replacing expansion joints so your stucco can flex without tearing.
Prep starts with confirming where movement is occurring, then protecting windows, landscaping, and hardscapes before any cutting or grinding. We locate the joint line, check for hidden control joints, and look for signs of water entry at terminations. Failed sealant and loose accessories are removed, then we open the joint to proper width, clean out debris, and vacuum dust so new materials bond. If the base is compromised, we remove affected stucco to sound substrate, patch building paper or WRB, re-lap 2 layers of Grade D paper or equivalent, and install new galvanized or PVC expansion joint accessory, fastened to framing where possible.
Local conditions matter because freeze-thaw, wind-driven rain, and intense UV can tear up cheap caulks and cause hairline cracks to telegraph through paint. After the accessory is set, we rebuild the wall with scratch coat and brown coat, matching thickness to existing work (typically 3-8 inch total cement plaster) and embedding fiberglass mesh at transitions when needed for crack control. Finish is blended to your existing texture, including sand float, dash, lace, skip trowel, or smooth trowel where appropriate, then color is matched with integral color, color coat, or elastomeric coating based on the rest of the elevation. The goal is a joint that moves cleanly, sheds water, and does not create a visible patch line.
Salt Lake City customers choose us because we treat expansion joint repair as a building-movement and water-management problem, not a quick caulk job. You get clear scope, realistic expectations about matching older finishes, and details that prevent repeat cracking, such as proper joint placement, correct accessory selection, and separation from dissimilar materials. Our crews work with commercial-grade grinders, HEPA vacuums, mixing paddles, and clean water management to keep the site controlled. We are licensed and insured, and we provide a free written estimate so you can compare apples to apples.
Before we wrap up, we do a walkthrough to verify straight joint lines, tight terminations, clean edges, and consistent texture and color in changing light. We confirm clearance at windows, doors, and weep screed, and we point out any adjacent issues we found, such as missing kickout flashing, failed sealant at penetrations, or stucco too tight to concrete. You receive a written scope of work, material selections (joint accessory type, sealant system, coating plan), and care guidance for curing time and repainting windows. If you are planning exterior paint, we can coordinate sequencing so your stucco expansion joint performs correctly under the final coating.
Superior Stucco Salt Lake City has served property owners since 2019 with repair work that holds up through seasonal movement. A proper stucco expansion joint needs a clean break in the plaster, a correct accessory, and a flexible sealant system, and we install all three with attention to wall drainage and finish matching. Whether the joint is cracking, leaking, or was covered during a remodel, we can open it back up and rebuild the surrounding stucco so it looks intentional. Call for a free written estimate and a clear plan to stop recurring cracks.
Yes. We provide a free written estimate that outlines the recommended repair or installation method, finish, and timeline.
Yes. When damage extends past the finish, we can open the area, replace compromised sheathing or framing as needed, then rebuild the stucco or EIFS layers to spec.
We texture-match and color-match as closely as possible, but exact matches can be limited by sun fade and existing coatings. For highly visible areas, we may recommend blending a larger section or recoating an entire elevation.
Cure time depends on the system, thickness, and weather. Cement-based coats need time between lifts, and finish timing is planned around temperature and moisture so the surface hardens correctly.
Yes. We handle commercial, multi-family, and HOA stucco scopes, including phased repairs, consistent texture matching across elevations, and clear documentation for property managers.
A stucco expansion joint is designed to let cement plaster move without cracking as your building expands, contracts, and settles. When the joint is missing, buried under finish, or sealed with the wrong product, stress transfers into the stucco and you start seeing straight-line cracks, delamination, and water staining near terminations. Superior Stucco Salt Lake City repairs and replaces expansion joints with a process that focuses on movement, drainage, and a clean finish match.
Expansion joint problems usually show up as repeating cracks at the same line after every winter or hot summer, especially near long runs of wall, inside corners, or where stucco meets dissimilar materials. Our repair starts by exposing the joint so it can function, removing failed sealant and any loose stucco, then inspecting the base for WRB continuity and moisture damage. If the substrate or paper is compromised, we cut back to sound material, patch and re-lap the WRB, then install a new expansion joint accessory aligned to the existing layout. The surrounding cement plaster is rebuilt with a proper scratch coat and brown coat, including reinforcement mesh where transitions or previous cracking call for it.
Finish matching is handled after the base cures. We replicate the existing texture and sheen, then recommend the right topcoat approach, such as an elastomeric coating for crack-bridging where the rest of the wall uses it, or a color coat when the building has integral color. We also verify details that protect the joint long-term, including clean terminations, proper clearances, and compatible sealant backer rod and tooling where sealant is part of the system.
If you are seeing a long, straight crack that keeps returning, it is often the stucco expansion joint telling you it cannot move. Schedule an on-site evaluation so we can confirm the joint layout, identify any water entry points, and provide a written scope that fixes the cause, not just the surface line.
Call now or send a request and we will reach out within one business day to schedule your free, no-obligation estimate in Salt Lake City. We assess the project, review the details, and give you a written quote before any work starts, so you know exactly what to expect.
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